A tofu machine with residue separation

Abstract

This utility model discloses a slag-separating tofu machine, including a feeding hopper, a grinding separator, a slag discharge trough, a slurry discharge trough, and a slurry tank. A skimming structure is installed on the slurry tank, which includes a foam collecting trough mounted on a horizontal bar via a rotating drum. The axis of the rotating drum coincides with the axis of the slurry tank. A rotary motor driving the foam collecting trough to rotate is mounted on the horizontal bar. A lifting platform is mounted on the horizontal bar via an N-shaped frame, which controls the foam collecting trough to move closer to or further away from the liquid surface in the slurry tank. When the rotary motor drives the foam collecting trough to rotate, it can scrape up the foam in the slurry tank and allow it to flow into the foam collecting trough, achieving a skimming effect. Furthermore, the lifting platform, via the N-shaped frame and the horizontal bar, can extend the foam collecting trough into the slurry tank, thus adapting to different liquid levels and skimming requirements. The use of the skimming structure effectively replaces manual skimming, resulting in high foam removal efficiency.

Description

Technical Field

[0001] This utility model relates to the field of tofu processing technology, and in particular to a tofu machine that separates slag from tofu. Background Technology

[0002] Currently, when making tofu, a tofu machine is used to first grind the soaked soybeans to separate the residue and soy milk. The soy milk is then heated in a boiling tank, and a coagulant is added to coagulate the soy milk into initial tofu blocks. The tofu blocks are then transferred to a mold and pressed out with a heavy object to obtain the finished tofu.

[0003] During the boiling process of existing tofu machines, a lot of foam tends to float on the soy milk in the boiling tank. It cannot be separated from the soy milk in time, requiring frequent manual skimming, which is troublesome and inefficient. Furthermore, when the liquid level in the boiling tank is low, it is impossible for a person to reach into the tank to operate, and there is a risk of scalding during the skimming process.

[0004] Therefore, we propose a slag-separating tofu machine to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a slag-separating tofu machine to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A tofu-making machine with residue separation includes a feeding hopper, a grinding and separating machine, a residue discharge trough, a slurry discharge trough, and a slurry tank. The slurry tank is equipped with a foam scraping structure, which includes a foam collecting trough. The foam collecting trough is mounted on a horizontal bar via a rotating drum. The axis of the rotating drum coincides with the axis of the slurry tank. A rotary motor that drives the foam collecting trough to rotate in a circular motion is mounted on the horizontal bar. A lifting platform is mounted on the horizontal bar via an n-shaped frame. The lifting platform is used to control the foam collecting trough to move closer to or further away from the liquid surface inside the slurry tank.

[0008] In a further embodiment, the end of the foam collecting trough furthest from the rotating drum is connected to an inclined guide bar, and the outer edge of the guide bar is connected to a flexible scraper.

[0009] In a further embodiment, the foam collecting tank is connected to the rotating drum, a return pipe is installed on the rotating drum via a rotary joint, and a suction pump is installed on the n-shaped frame. The input end of the suction pump is connected to the return pipe, and the output end is connected to the foam discharge hose.

[0010] In a further embodiment, a bevel gear ring is fixed on the outer circumferential sidewall of the rotating drum, and a bevel gear is connected to the output shaft end of the rotary motor, with the bevel gear meshing perpendicularly with the bevel gear ring.

[0011] In a further embodiment, the lifting platform includes an n-shaped frame, in which a lead screw is rotatably mounted, and a lifting motor is connected below the n-shaped frame. A ball bearing slide is screwed onto the outside of the lead screw, and the ball bearing slide is fixedly connected to the n-shaped frame.

[0012] In a further embodiment, a slide rail is fixed on the vertical rod on the side of the n-shaped frame near the ball bearing slide, and a slide groove is provided on the top plate end face of the c-shaped frame for the slide rail to slide through.

[0013] In a further embodiment, a liquid level sensor is installed on the inner wall of the slurry tank, and a distance measuring sensor is installed on the surface of the ball bearing slide.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This utility model features a rotary motor that drives the foam collection tank to rotate, which can scrape up the foam in the slurry tank and allow it to flow into the foam collection tank, achieving the effect of rotating skimming. Furthermore, the lifting platform, through the N-shaped frame and crossbars, can drive the foam collection tank to extend into the slurry tank, thus adapting to the foam removal requirements at different liquid levels. The use of the skimming structure effectively replaces the manual skimming operation, resulting in high foam removal efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the right front view structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the left rear view structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the descaling structure of this utility model;

[0019] Figure 4 This is a partial structural diagram of the connection between the rotary motor and the rotating drum of this utility model;

[0020] Figure 5 This is a partial structural diagram of the connection between the n-shaped frame and the c-shaped frame of this utility model.

[0021] In the diagram: 1. Feed hopper; 2. Pulping separator; 3. Slag discharge trough; 4. Pulp discharge trough; 5. Pulp tank; 51. Liquid level sensor; 6. Foam collection trough; 61. Guide bar; 62. Scraper bar; 7. Rotary drum; 8. Horizontal bar; 9. Rotary motor; 91. Bevel gear; 92. Bevel gear ring; 10. N-shaped frame; 101. Slide rail; 11. Lifting platform; 111. C-shaped frame; 1111. Slide groove; 112. Lead screw; 113. Lifting motor; 114. Ball bearing slide; 115. Distance sensor; 12. Rotary joint; 13. Return pipe; 14. Suction pump; 15. Foam removal hose. Detailed Implementation

[0022] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-2 A tofu-making machine with residue separation includes a feeding hopper 1, a grinding and separating machine 2, a residue discharge trough 3, a slurry discharge trough 4, and a slurry tank 5. The feeding hopper 1 is connected to the grinding and separating machine 2. The residue discharge trough 3 and the slurry discharge trough 4 are respectively connected to both sides of the grinding and separating machine 2. The outlet of the slurry discharge trough 4 corresponds to the slurry tank 5. An electric heating device is provided under the slurry tank 5 to heat the slurry tank 5 and effectively control the temperature to achieve boiling of the slurry. The above are all existing technologies, and the specific working principle will not be elaborated. A foam scraping structure is installed on the slurry tank 5. The foam scraping structure includes a foam collecting trough 6, which is installed on a horizontal bar 8 via a rotating drum 7. The rotating drum 7 is fixed to the edge of the foam collecting trough 6. The rotating drum 7 is rotatably connected to the crossbar 8. The axis of the rotating drum 7 coincides with the axis of the slurry tank 5. A rotary motor 9 that drives the foam collecting trough 6 to make circular motion is installed on the crossbar 8. A lifting platform 11 is installed on the crossbar 8 through the n-shaped frame 10. The bottom end of one vertical rod of the n-shaped frame 10 is connected to the crossbar 8, and the bottom end of the other vertical rod is installed and connected to the lifting platform 11. The lifting platform 11 is used to control the foam collecting trough 6 to be close to or away from the liquid surface in the slurry tank 5 so that it can be extended into the slurry tank 5 when the foam is being scraped. When not in use, it is above the slurry tank 5.

[0026] For details, please refer to Figure 4 A bevel gear ring 92 is fixed on the outer circumferential side wall of one end of the rotating drum 7 that extends out of the upper surface of the crossbar 8. A bevel gear 91 is connected to the output shaft end of the rotary motor 9. The bevel gear 91 is rotatably mounted on the crossbar 8 through a bearing seat, and the bevel gear 91 is perpendicularly meshed with the bevel gear ring 92, thereby driving the rotating drum 7 to rotate.

[0027] Please see Figure 3 and Figure 5 The lifting platform 11 includes a U-shaped frame 111, the bottom end of which is connected to the machine body. A lead screw 112 is rotatably mounted inside the U-shaped frame 111, and a lifting motor 113 is connected to the bottom of the U-shaped frame 111. The lifting motor 113 is used to drive the lead screw 112 to rotate. A ball bearing slide 114 is screwed onto the outside of the lead screw 112. The ball bearing slide 114 is fixedly connected to the bottom end of a vertical rod of the n-shaped frame 10 away from the horizontal bar 8. A slide rail 101 is fixed on the vertical rod of the n-shaped frame 10 near the ball bearing slide 114. A slide groove 1111 is provided on the top plate end face of the U-shaped frame 111 for the slide rail 101 to slide through, which is used to limit the lifting of the n-shaped frame 10 and prevent it from deflecting.

[0028] Please see Figure 3 To improve the skimming effect of the foam collecting trough 6, a dense mesh structure is adopted on the lower end face of the foam collecting trough 6 so that the slurry can be filtered out when some slurry is skimmed. An inclined guide bar 61 is connected to the end of the foam collecting trough 6 away from the rotating drum 7. The guide bar 61 forms an obtuse angle with the front end face of the foam collecting trough 6. A flexible scraper 62 is connected to the outer edge of the guide bar 61. The flexible scraper 62 is close to the inner wall of the slurry tank 5. When the foam collecting trough 6 rotates counterclockwise to skim, the guide bar 61 and the flexible scraper 62 guide the foam at the edge, so that it is away from the slurry tank 5. Under the influence of centrifugal force, the foam tends to move towards the center and is collected by the foam collection tank 6. Considering the limited capacity of the foam collection tank 6, it is designed to be connected to the inside of the rotating drum 7. A return pipe 13 is installed on the rotating drum 7 through a rotary joint 12. The return pipe 13 is laid along the outer wall of the n-shaped frame 10 and fixed with clamps. A suction pump 14 is installed on the n-shaped frame 10. The input end of the suction pump 14 is connected to the return pipe 13, and the output end is connected to the foam discharge hose 15. The foam discharge hose 15 is connected to the foam collection box, so as to discharge the foam in the foam collection tank 6 in a timely manner.

[0029] Please see Figure 1 and Figure 5 In order to achieve automated foam scraping, a liquid level sensor 51 is installed on the inner wall of the slurry tank 5 to detect the liquid level height of the slurry, while a distance sensor 115 is installed on the surface of the ball bearing slide 114 to detect the lifting height of the foam collection tank 6. Both the liquid level sensor 51 and the distance sensor 115 are connected to an external controller.

[0030] Working principle: During use, the soaked soybeans enter the grinding and separating machine 2 from the feed hopper 1. The grinding and separating machine 2 separates the slurry and the residue. The residue is discharged from the residue discharge trough 3, and the slurry is discharged from the slurry discharge trough 4 to the slurry tank 5. The slurry tank 5 is heated to boil the slurry, which produces foam. After the liquid level sensor 51 detects the liquid level height, the controller controls the lifting platform 11 to work, which drives the foam collection tank 6 to descend to a position 5mm above the liquid level and then stops. At this time, the controller controls the rotary motor 9 to drive the foam collection tank 6 to rotate and scrape the foam. At the same time, the controller controls the suction pump 14 to work, which uses negative pressure to extract the foam in the foam collection tank 6, ensuring that it has a continuous foam scraping ability.

[0031] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0032] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A tofu-making machine with residue separation, comprising a feeding hopper (1), a grinding and separating machine (2), a residue discharge trough (3), a slurry discharge trough (4), and a slurry tank (5), characterized in that: A foam scraping structure is installed on the pulp bucket (5). The foam scraping structure includes a foam collecting groove (6). The foam collecting groove (6) is installed on a cross bar (8) through a rotating cylinder (7). The axis line of the rotating cylinder (7) coincides with the axis line of the pulp bucket (5). And a rotating motor (9) for driving the foam collecting groove (6) to make a circular motion is installed on the cross bar (8). The cross bar (8) is installed with a lifting platform (11) through an n-shaped frame (10). The lifting platform (11) is used to control the foam collecting groove (6) to approach or move away from the liquid level in the pulp bucket (5).

2. The slag-separating tofu machine according to claim 1, characterized in that: One end of the foam collecting groove (6) far from the rotating cylinder (7) is connected with an inclined guide bar (61). The outer edge of the guide bar (61) is connected with a flexible scraping strip (62).

3. The slag-separating tofu machine according to claim 1, characterized in that: The inside of the foam collecting groove (6) is communicated with the inside of the rotating cylinder (7). A suction return pipe (13) is installed on the rotating cylinder (7) through a rotary joint (12). A suction pump (14) is installed on the n-shaped frame (10). The input end of the suction pump (14) is connected with the suction return pipe (13), and the output end is connected with a foam discharging hose (15).

4. The tofu-making machine for separating slag according to claim 1, characterized in that: A bevel gear ring (92) is fixed on the outer circumferential side wall of the rotating cylinder (7). The output shaft end of the rotating motor (9) is connected with a bevel gear (91). And the bevel gear (91) is vertically meshed and connected with the bevel gear ring (92).

5. A slag-separating tofu machine according to claim 1, characterized in that: The lifting platform (11) includes a U-shaped frame (111). A lead screw (112) is rotatably installed inside the U-shaped frame (111). And a lifting motor (113) is connected below the U-shaped frame (111). A ball slide (114) is externally screwed on the lead screw (112). And the ball slide (114) is fixedly connected with the n-shaped frame (10).

6. A slag-separating tofu machine according to claim 5, characterized in that: A slide rail (101) is fixed on the vertical rod on one side of the n-shaped frame (10) close to the ball slide (114). And a chute (1111) for the slide rail (101) to slide through is opened on the top end surface of the U-shaped frame (111).

7. A slag-separating tofu machine according to claim 5, characterized in that: A liquid level sensor (51) is installed on the inner wall of the pulp bucket (5). A distance measuring sensor (115) is installed on the surface of the ball slide (114).

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